How to apply multi-page vue

With the rapid development of the Internet era, more and more websites and applications are implemented using the architecture of multi-page applications. Traditional single-page applications are no longer sufficient to meet development needs. In the implementation of multi-page applications, the front-end framework Vue has gradually become the first choice for developers.

Vue is a lightweight JavaScript framework that improves development efficiency through componentization. I have also introduced the basic use of Vue in previous articles. In this article, I will introduce to you how to use Vue to implement multi-page applications.

1. Create multiple Vue instances

In a multi-page application, each page requires an independent Vue instance, so we need a JavaScript file in each page Create a Vue instance in . We can use the constructor Vue provided by Vue to create an instance and mount it on the DOM element of the page.

For example, we can create a Vue instance in the JavaScript file of the page:

import Vue from 'vue';
import App from './App.vue';

new Vue({
  el: '#app',
  render: h => h(App)
});

In the above code, we use Vue's constructor to create a Vue instance and mount it Go to the DOM element with the id app. The render option is used to render components, and we have introduced a component called App.vue here.

2. Use Vue Router to manage routing

In a multi-page application, each page corresponds to a different route, so we need to use Vue Router to manage routing. Vue Router is a routing management library officially launched by Vue, which can realize seamless switching of interfaces and data transfer.

We can introduce Vue Router into the JavaScript file of each page and create a routing instance. In the routing instance, we can configure the routing path and corresponding components of each page.

For example, assuming we have two pages, namely /page1 and /page2, we can configure the following in the routing instance:

import Vue from 'vue';
import VueRouter from 'vue-router';
import Page1 from './Page1.vue';
import Page2 from './Page2.vue';

Vue.use(VueRouter);

const router = new VueRouter({
  routes: [
    { path: '/page1', component: Page1 },
    { path: '/page2', component: Page2 }
  ]
});

new Vue({
  el: '#app',
  router,
  render: h => h(App)
});

In the above code, we first introduce Vue Router and use it. Next, create a routing instance and configure two routes in the routing instance, namely /page1 and /page2, corresponding to the two components Page1 and Page2. Finally make the route instance an option for the Vue instance.

3. Use VueX to manage status

In multi-page applications, the status between different pages often needs to be shared. To do this, we need to introduce VueX, the state management library officially launched by Vue. VueX can centrally manage the data status of components and achieve cross-component status sharing.

In the JavaScript file of each page, we need to introduce VueX and create a store. In the store, we can define the global state and provide the ability to modify the state and operate asynchronously through mutations and actions.

For example, we can define a global counter state in the store:

import Vue from 'vue';
import Vuex from 'vuex';

Vue.use(Vuex);

const store = new Vuex.Store({
  state: {
    count: 0
  },
  mutations: {
    increment(state) {
      state.count++;
    }
  },
  actions: {
    incrementAsync({ commit }) {
      setTimeout(() => {
        commit('increment');
      }, 1000)
    }
  }
});

export default store;

In the above code, we first introduce VueX and use it. Next, create a store and define the global counter state in state. In mutations, we provide a modification method increment for the state. In actions, we provide an asynchronous operation incrementAsync for the status, which will update the status after 1 second.

4. Use webpack to package the application

Finally, after the application code is all completed, we need to use webpack to package the application into an actual file. Using webpack, we can package various JavaScript modules, CSS files, images and other resources we write into one or more output files, and realize code compression, code separation, on-demand loading and other functions through configuration.

We can quickly create a Vue project by selecting Webpack in the Vue CLI. If you already have an existing project, you can use webpack, vue-loader and other related npm modules to manually configure webpack to package the project.

Summary:

Through the above four steps, we can use Vue to implement a basic multi-page application. Of course, in actual development, we still need to consider more functions and optimizations, such as:

• How to achieve component reuse and code separation.
• How to route between different pages.
• How to implement data interaction with external API.
• How to perform optimization operations such as application caching and offline access.

But in any case, as a fast, simple, and flexible framework, Vue is undoubtedly a good choice for developing multi-page applications.

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